<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> <meta name="Generator" content="Microsoft Word 15 (filtered medium)"> <style></style> </head> <body lang="EN-US" link="#467886" vlink="#96607D" style="word-wrap:break-word"> <div class="WordSection1"> Hi,<o:p></o:p> My goal is to test DPDK applications running on the same server as a primary process and secondary process.<o:p></o:p> When I execute two dpdk-simple-mp processes, one as primary and other as secondary, I see them both startup with no issues.<o:p></o:p> <o:p> </o:p> # ./dpdk-simple_mp -c 0x2 -n 4 --legacy-mem --proc-type primary -- <o:p></o:p> # ./dpdk-simple_mp -c 0x8 -n 4 --legacy-mem --proc-type secondary -- <o:p></o:p> <o:p> </o:p> <o:p> </o:p> Now when I test our DPDK application (as primary) and same dpdk-simple-mp (as secondary) I get error “EAL: Cannot initialize tailq: RTE_FIB).<o:p></o:p> EAL args: MyApp, -l 25,26,27,28 -n 4 –socket-mem=2048, --legacy-mem –no-telemetry –proc_type=primary<o:p></o:p> <o:p></o:p> # ./dpdk-simple_mp -l 24 -n 4 --legacy-mem --proc-type secondary --<o:p></o:p> <o:p> </o:p> <o:p> </o:p> When I use gdb I see that t->head is 0x0 in eal_common_tailqs.c Line 148.<o:p></o:p> (gdb) p *t<o:p></o:p> $40 = {head = 0x0, next = {tqe_next = 0x1c68c40 <rte_fib6_tailq>, tqe_prev = 0x1c67108 <rte_swx_ctl_pipeline_tailq+8>},<o:p></o:p> name = "RTE_FIB", '\000' <repeats 24 times>}<o:p></o:p> <o:p> </o:p> I created 2 - 1G hugepages per CPU socket for each test case listed above.<o:p></o:p> <o:p> </o:p> [root@localhost ~]# /opt/dpdk/dpdk-hugepages.py -s<o:p></o:p> Node Pages Size Total<o:p></o:p> 0 2 1Gb 2Gb<o:p></o:p> 1 2 1Gb 2Gb<o:p></o:p> <o:p> </o:p> <o:p> </o:p> The dpdk-simple_mp execution output is shown below:<o:p></o:p> [root@localhost ~]# ./dpdk-simple_mp -l 24 -n 4 --legacy-mem --huge-dir /dev/mnt/huge --proc-type secondary --<o:p></o:p> EAL: Detected CPU lcores: 128<o:p></o:p> EAL: Detected NUMA nodes: 2<o:p></o:p> EAL: Static memory layout is selected, amount of reserved memory can be adjusted with -m or --socket-mem<o:p></o:p> EAL: Detected static linkage of DPDK<o:p></o:p> EAL: Multi-process socket /var/run/dpdk/rte/mp_socket_18349_8160ff395b1<o:p></o:p> EAL: Selected IOVA mode 'PA'<o:p></o:p> EAL: WARNING: Address Space Layout Randomization (ASLR) is enabled in the kernel.<o:p></o:p> EAL: This may cause issues with mapping memory into secondary processes<o:p></o:p> EAL: Cannot initialize tailq: RTE_FIB<o:p></o:p> Tailq 0: qname:<RTE_DIST_BURST>, tqh_first:(nil), tqh_last:0x100004490<o:p></o:p> Tailq 1: qname:<RTE_DISTRIBUTOR>, tqh_first:(nil), tqh_last:0x1000044c0<o:p></o:p> Tailq 2: qname:<RTE_REORDER>, tqh_first:(nil), tqh_last:0x1000044f0<o:p></o:p> Tailq 3: qname:<RTE_IPSEC_SAD>, tqh_first:(nil), tqh_last:0x100004520<o:p></o:p> Tailq 4: qname:<RTE_SWX_IPSEC>, tqh_first:(nil), tqh_last:0x100004550<o:p></o:p> Tailq 5: qname:<RTE_SWX_PIPELINE>, tqh_first:(nil), tqh_last:0x100004580<o:p></o:p> Tailq 6: qname:<RTE_SWX_CTL_PIPELINE>, tqh_first:(nil), tqh_last:0x1000045b0<o:p></o:p> Tailq 7: qname:<RTE_HASH>, tqh_first:0x1bfd9f140, tqh_last:0x1bf6f4240<o:p></o:p> Tailq 8: qname:<RTE_FBK_HASH>, tqh_first:(nil), tqh_last:0x100004610<o:p></o:p> Tailq 9: qname:<RTE_THASH>, tqh_first:(nil), tqh_last:0x100004640<o:p></o:p> Tailq 10: qname:<RTE_LPM>, tqh_first:(nil), tqh_last:0x100004670<o:p></o:p> Tailq 11: qname:<RTE_LPM6>, tqh_first:(nil), tqh_last:0x1000046a0<o:p></o:p> Tailq 12: qname:<RTE_ACL>, tqh_first:(nil), tqh_last:0x1000046d0<o:p></o:p> Tailq 13: qname:<RTE_MEMPOOL>, tqh_first:0x1bf282000, tqh_last:0x1bf282000<o:p></o:p> Tailq 14: qname:<RTE_RING>, tqh_first:0x1bfdc79c0, tqh_last:0x14f261ac0<o:p></o:p> Tailq 15: qname:<RTE_MBUF_DYNFIELD>, tqh_first:0x14f871680, tqh_last:0x14f870cc0<o:p></o:p> Tailq 16: qname:<RTE_MBUF_DYNFLAG>, tqh_first:0x14f871080, tqh_last:0x14f871080<o:p></o:p> Tailq 17: qname:<UIO_RESOURCE_LIST>, tqh_first:0x1bfffce00, tqh_last:0x1bf939e40<o:p></o:p> Tailq 18: qname:<VFIO_RESOURCE_LIST>, tqh_first:(nil), tqh_last:0x1000047f0<o:p></o:p> Tailq 19: qname:<>, tqh_first:(nil), tqh_last:(nil)<o:p></o:p> Tailq 20: qname:<>, tqh_first:(nil), tqh_last:(nil)<o:p></o:p> Tailq 21: qname:<>, tqh_first:(nil), tqh_last:(nil)<o:p></o:p> Tailq 22: qname:<>, tqh_first:(nil), tqh_last:(nil)<o:p></o:p> Tailq 23: qname:<>, tqh_first:(nil), tqh_last:(nil)<o:p></o:p> Tailq 24: qname:<>, tqh_first:(nil), tqh_last:(nil)<o:p></o:p> Tailq 25: qname:<>, tqh_first:(nil), tqh_last:(nil)<o:p></o:p> Tailq 26: qname:<>, tqh_first:(nil), tqh_last:(nil)<o:p></o:p> Tailq 27: qname:<>, tqh_first:(nil), tqh_last:(nil)<o:p></o:p> Tailq 28: qname:<>, tqh_first:(nil), tqh_last:(nil)<o:p></o:p> Tailq 29: qname:<>, tqh_first:(nil), tqh_last:(nil)<o:p></o:p> Tailq 30: qname:<>, tqh_first:(nil), tqh_last:(nil)<o:p></o:p> Tailq 31: qname:<>, tqh_first:(nil), tqh_last:(nil)<o:p></o:p> EAL: Cannot init tail queues for objects<o:p></o:p> EAL: Error - exiting with code: 1<o:p></o:p> Cannot init EAL<o:p></o:p> <o:p> </o:p> How do I resolve this issue?<o:p></o:p> <o:p> </o:p> Thanks,<o:p></o:p> Ed<o:p></o:p> </div> </body> </html>